on the spot[英][ɔn ðə spɔt][美][ɑn ði spɑt]立刻; 当场; 在危险中; 处于负责地位; 例句:1.You'll never know unless you ask the interviewer on the spot. 除非你当场向面试官问个清楚，否则永远不会知道。2.Enraged by the response, the farmer was tempted to fire him on the spot. 农场主被他的回答激怒了，气得真想当场把他解雇。
